Burner.



W. F. DAY.

BURNER.

APPLlcATloN F|LED1uNE ',1915.

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W. F. DAY.

BURNER.

APPLICATION FILED IuNE 8. I9I5.

Patented May 2,1916.

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WILB'UR F. DAY, 0F ST. PAUL, MINNESOTA.

BURNER.

Specification of Letters Patent.

Application filed .Tune 8, 1915. Serial No. 32,828.

To all whom t may concern:

Be it known that I, WILBUR F. DAY, citizen of the United States, resident of St. Paul, Ramsey county, Minnesota, have invented certain new and useful Improve-` ments in Burners, of which the following is a specification.

My invention relates to liquid fuel burners applicable for use on an ordinary range or cook stove Without altering the construction of the stove.

A further object is to provide a burner having improved means for generating the gas from the liquid fuel and also having means for directing the heating flame toward the oven or stove lid or the water front, as preferred.

A further object is to provide a burner of simple, economical construction and one in which the ducts and passages are so arranged that there is no opportunity for the lodging of sediment and the clogging of the burner. l

The invention consists generally in various constructions and combinations, all as hereinafter described and particularly pointed out Min the claims.

In the accompanying drawings forming part of this specification, Figure 1 is a view, partially in section, illustrating the application of my invention to a stove, Fig. 2 is a plan view of the apparatus, ready for installation in the stove, Fig. 8 is a side view, partially in section, illustrating the construction of the generator, the retort chamber and its relation to the air mixing chamber and the position of the spreader, Fig. l is a transverse sectional view, showing the preferred manner of supporting the spreader, Fig. 5 is a similar view, illustrating the manner of tilting the spreader to direct the flames to the right or the left of the burner, Fig. 6 is a sectional view on the line www of Fig. 5.

In the drawing, 2 represents a stove of ordinary construction, having an oven 3, grate 4: and water front 5. Above the grate is the usual lid or cover 6.

7 represents a suitable base, formed pref-- same construction, and the same reference numerals may be used to designate them.

8 represents a priming cup, in which ashes, asbestos, or other suitable material may be placed, and on which a small quantity of the liquid fuel is poured for the pre-heating of the retort. These cups are preferably connected with one another by a suitable web 9 and a flange lO encircles the cups and is adapted to rest upon the upper edge of the i base 7, the cups preferably dropping down into the base, as shown in Fig. 3. ln the center of each cup is a member 11, preferably tubular in form, open at the top and bottom to provide an air mixing chamber 12 for each burner, said chamber communieating at its lower end with the space above the grate and through which chamber the air is admitted to mingle with the vapor and produce combustion.

l preferito provide ashes or other suitable material impervious to the air, around the base 7, between it and the walls of the firepot to compel the air passing up through the grate to enter the mixing chambers 12. The joint between the priming cups and the base is preferably substantially air-tight to further insure the passage of all the air to the mixing chambers.

Mounted upon the upper part of each member 1l is a generator or retortl having an annular chamber 14 therein which communicates on one side with a pipe 15 leading downwardly through an opening 16 in the web 9 to a fuel supply tube 17 which communicates with a valve 18 mounted preferably in the lower front wall of the stove. I prefer to provide two supply pipes and tubes leading therefrom to an independent valve, so that either burner can be used in` dependently of the other. A connection19 is provided between the valves and a tube 20 communicates with said connection and with a suitable source of liquid fuel supply which generally is allowed to flow by' gravity or force feed to the valves 18 and is admitted to the burners as the valves are opened. The retort or generator 13 is posi- Patented May 2, 19116.. p

the mixing chamber and adjacent to the priming cup, where it will be subjected to the heat of the burning fuel in the cup and effect the initial vaporization of the fuel for delivery to the burner nozzle.

On the opposite side of t-he generator from the pipe 15 I provide a connection 21 with a pipe 22 which extends horizontally under the generator and through the walls of the member 11, overhanging the priming cup on both sides of the generator and beneath the same. This pipe 22 is provided with a perforation 23 forming a nozzle through which the vapor is discharged into the mixing chamber, substantially as shown in my Patent No. 1,110,361, issued to me May 25, 1915;

IVithin the mixing chamber I prefer to arrange a corrugated ring 24 having its lower' end cut out to lit the surface of the pipe 22 and supported therein, air passages 25 being formed between this ring and the walls of the mixing chamber and through which currents of air will flow to mingle with the vapor above the exit opening 28. The web between the burners is preferably provided with a bearing 26 for a rotating standard 27. The upper portion of this standard preferably has a fork 28 formed thereon provided with a curved seat 29, in which a yoke 30 having a correspondingly curved under surface is mounted, said yoke being provided with oppositely extending spreader arms 31 having preferably flat surfaces 32 arranged ,to overhang the open upper ends of the burners and spaced a suitable distance therefrom. These arms are capable of rotary adjustment with the standard 27 to swing them to a point out of alinement with the burners in case it is desired to have the flame directed upon the stove lid; or, whenever desired, the arms may be tilted with the yoke 30 on a longitudinal axis to direct the burner flames either inwardly toward the oven 2 or outwardly toward the water front, as indicated in Fig. 5. I am thus able to control the application of the heat of the yburner flame, directing it to any desired part of the stove either vupwardly or to either side.

In various ways the details of construction may be modified without departing from the scope of my invention.

I claim as my invention:

1. A liquid fuel burner comprising a gas generator, a mixing chamber and nozzle therefor communicating with said generator, a spreader arm supported above said' nozzle and provided with a curved under surface, and a seat for the curved under surface of said arm, said spreader being capable of rotation on said curved surface to deflect the flame of said burner, for the purpose specified.

2. Liquid fuel burners comprising generators and mixing chambers therefor, vapor ducts having nozzles, spreader arms disposed above said nozzles, and, a support for said spreader arms constructed to permit a rotary movement on a longitudinall axis to deflect the flame of said nozzles and a swinging movement on a vertical axis to move out of the path of the flames.

3. A pair of liquid fuel burners comprising generators and mixing chambers thereing chamber, a gas generator encircling the" upper portion of said mixing chamber, a vapor pipe leading from said generator into said mixing chamber and having a nozzle, and a deflector mounted above said chamber and nozzle and adjacent to said generator for dellecting the flame from said nozzle downwardly upon the walls of said generator, said deflector having a substantially flat under surface corresponding` substantially in diameter to the opening in the top of said mixing chamber.

5. A liquid fuel burner having an air intake opening, a wall encircling said intake opening and projecting upwardly therefrom, a hollow casting encircling the top of said wall and forming a gas generator, a nozzle projecting into said mixing chamber and communicating with said generator, and a deilector mounted above said mixing chamber and adjacent thereto and said generator for dellecting the flame downwardly upon said generator, said deflector having a substantially flat under surface with an unobstructed passage between it and the top of said mixing chamber.

6. Liquid fuel burners comprising a base,

la plate seated thereon and having air openings therein and mixing chambers having their walls encircling said openings, said plate having priming cups formed therein at the base of said mixing chambers, gas generators encircling the upper portion of said mixing chambers, fuel supply pipes connected with said generators, and vapor pipes leading from said generators and passing through the walls of said mixing chambers between said generators and priming cups and having discharge nozzles within said mixing chambers.

7. In a liquid fuel burner, a mixing chamber, a generator having a vapor tube lead- :mamas ing therefrom and passing through the lower walls of said mixing chamber and having a vapor discharge port, and a corrugated ring fitting within the upper portion of said mixing chamber above said vapor tube.

8. Liquid fuel burners comprising generators and mixing chambers therefor', a standard disposed between said generators and havin a curved seat, a yoke provided With a surface to fit said seat and rock thereon, and spreaders carried by said yoke and overhanging said generators.

9. Liquid fuel burners comprising generators and mixing chambers therefor', a standard mounted between said generators and having a seat at its upper end, a yoke having a central bearing on said seat to rock thereon, and spreaders carried by said yoke and overhanging said generators, the rocking of said yoke tilting said spreaders to deflect the flames of said burners.

10. A liquid fuel burner comprising a base plate having an air opening therein, a wall encircling said opening and open at the top and bottom to form a mixing chamber, a hollow cast ring encircling the upper portion of said wall and seated against the same and supported thereby to form a generating chamber, a liquid fuel supply pipe projecting horizontally through the walls of said mixing chamber beneath and adjacent to said generator and having a nozzle orifice therein, one end of said pipe being closed and its other end communicating with said generator.

standard mounted for rotation between said mixing chambers, and spreader arms carried by said standard and having a swinging movement therewith on a vertical axis out of the path of the iames.

l2. A liquid fuel burner comprising a base plate having air inlet openings and mixing chambers above said openings and a socket formed intermediate to said mixing chambers, a standard mounted for rotation in said socket and removable therefrom, and spreader arms carried by said standard for rotation therewith and removable with said standard from said base plate.

13. Liquid fuel burners comprising a base plate having air inlet openings and mixing chambers encircling said openings, hollow rings encircling the upper portion of said mixing chambers and seated thereon and forming gas generators, liquid fuel supply pipes communicating with said generators, pipes leading from said generators and having horizontal extensions through the walls of said mixing chambers below said generators and provided with nozzles within said mixing chambers, and deflectors supported above said mixing chambers in position to deflect the flames from said nozzles downwardly upon said generators.

In witness whereof, I have hereunto set my hand this'th day of June, 1915.

WlLBUR F. DAY.

Uopie of this patent may be obtained for ve cents each, by addreina the Commissioner of Patenti, Waehlnom, D. 

